Use the links below for all inquiries regarding County of Los Angeles’ policy toward
methane gas. The standards apply to all buildings and confined structures located
in the County of Los Angeles Unincorporated Communities where County of Los Angeles
Department of Public Works is the building official.

Use the links below to locate major waste systems and oil/gas well locations within
County of Los Angeles for the potential of methane gas intrusion into a confined
structure. Go to Do I Need Methane Mitigation?
to find out if your property is within an area that could potentially produce methane.